Covering.



No. 880,368. PATENTED FEB. 25, 1903. J. P. & LP. J. GOSTIGAN.

COVERING. APPLICATION FILED we. 1. 1907.

WITNESSES core being Wholly embedded in the said body, and the side ed es and ends of the coresections bein sea ed by the plastic material of the sai body, the said core being provided with transverse apertures filled by the plastic body material to integrally unite the body material on opposite faces of the said core.

3. A covering for boilers? like, comprising a body of -p astic asbestos capable of being molded into a desired shape within a corresponding mold, and a core of superimposed corrugated sheets of asbestos,

arranged one transverse .to the other and inserted in the mold to be embedded by the said body material during the process of molding, the said core being closed at its marginal edges by the said body asbestos, and forming sealed air spaces Within the said body.

.In testimony whereof We have signed our l names to this specification in the presence of ipes and the two subscribing witnesses.

JGSEPH PCGSTIGAN. JOHN F. J. COSTIGAN. Witnesses: f

Tnno. G. Hos-Tire, JOHN P. Duns. 

